2024 Chevy Duramax Diesel. Power for the suv we tested comes from the aforementioned 3.0l i6 lz0 turbodiesel duramax engine, a first for the suburban z71, producing 305 horsepower and 495. Chevrolet has made big improvements to the 2024 silverado hd 6.6 duramax turbo diesel.
A forum community dedicated to chevy and gmc duramax diesel owners and enthusiasts. On the zr2, the duramax is an additional $9,490 but is money well spent.